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  1. MariaDB Server
  2. MDEV-28850

mysql client program conflicting protocol options deserve warnings

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2(EOL), 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL)
    • None
    • Scripts & Clients
    • None

    Description

      MDEV-14974 has improved on handling combinations of different connection protocol options.

      However there are cases when a warning is missed out to inform on (and possibly explain why) a supplied option got ignored. In my view it's better to emit such warnings, even though the docs say on behavioral nuances.
      E.g

      ../client/mysql --port=1234 --protocol=socket --socket=/home/andrei/MDB.WTs/CS/Review/W/mysql-test/var_expr/tmp/mysqld.1.sock --user=root
      Welcome to the MariaDB monitor.

      port is disregarded (and silently) while host does not:

      ../client/mysql --protocol=socket --host=127.0.0.1 --socket=/home/andrei/MDB.WTs/CS/Review/W/mysql-test/var_expr/tmp/mysqld.1.sock --user=root
      ERROR 2002 (HY000): Can't connect to server on '127.0.0.1' (115)

      When both host,port are supplied they are favored over socket, but silently

      ../client/mysql --host=127.0.0.1 --socket=/home/andrei/MDB.WTs/CS/Review/W/mysql-test/var_expr/tmp/mysqld.1.sock --port=12460 --user=root
      Welcome to the MariaDB monitor.

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              Unassigned Unassigned
              Elkin Andrei Elkin
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                Updated:

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